39903042 has 8 divisors (see below), whose sum is σ = 79806096. Its totient is φ = 13301012.

The previous prime is 39903013. The next prime is 39903049. The reversal of 39903042 is 24030993.

It is a sphenic number, since it is the product of 3 distinct primes.

39903042 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (39903049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3325248 + ... + 3325259.

It is an arithmetic number, because the mean of its divisors is an integer number (9975762).

Almost surely, 2^39903042 is an apocalyptic number.

39903042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39903042 is a wasteful number, since it uses less digits than its factorization.

39903042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6650512.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 39903042 is about 6316.8854667470. The cubic root of 39903042 is about 341.7186393540.

The spelling of 39903042 in words is "thirty-nine million, nine hundred three thousand, forty-two".